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Search: id:A133792
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| A133792 |
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Number of n X n binary matrices with every 1 adjacent to some zero, and every 0 adjacent to some one, horizontally or vertically. |
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| 6, 126, 8950, 2308238, 2129167114, 7077040829290, 84651408281226926, 3644360411354234096546, 564689913941224929404667818, 314919227342521055797569563796454
(list; graph; listen)
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